The #develop teamblog
#  Sunday, December 14, 2008

On December 5th (revision 3655), we removed the WPF designer from SharpDevelop 3.0. The decision to remove this feature had its origins in an internal discussion between Daniel, Ivan and myself after watching the PDC 2008 session Microsoft .NET Framework: Declarative Programming Using XAML. There, System.Xaml.dll was announced - a parser for the full Xaml standard.

Back then, a preview was announced for November, but that has been pushed back - please see the System.XAML CTP blog post by Rob Relyea. Therefore we had to take the decision whether to use System.Xaml.dll without doing a prototype, but we opted for saving ourselves the chore of having to keep abreast with future XAML changes by sticking with a standard parser instead of having to maintain our own.

Because System.Xaml.dll is part of .NET Framework 4.0, we had to remove the WPF designer feature from SharpDevelop 3.0.

Categories: Chris
Sunday, December 14, 2008 7:17:46 PM (GMT Standard Time, UTC+00:00)  #    Comments [3]

 



#  Saturday, December 06, 2008

In version 3.0.0.3660, I changed how NRefactory's TypeReference.Type works. This is a potentially breaking change to users of NRefactory.

Previously, TypeReference had both a "Type" and a "SystemType". If you parsed "long a;", you got a TypeReference with Type="long" and SystemType="System.Int64".

However, this got a little problematic if you wanted to modify the AST - do you have to change both Type and SystemType? Actually, setting Type to "int" was automatically setting SystemType to "System.Int32" - even if you were modifying VB code which doesn't have the "int" keyword but uses "Integer". The other way round, setting Type to "DATE" would set SystemType to "System.DateTime" - not only for VB, but also for C#. Because the parser internally also uses the Type setter, "DATE d;" would parse to "System.DateTime d;" in C#!

To solve this, I removed the language-specific "Type". Now the Type property always contains the SystemType. You can use the new boolean IsKeyword property to tell if the type was specified using the language keyword or if the CLR type was specified explicitly.

Another related problem was that there was no way to output "System.Int32 a;" using NRefactory - the output visitor would always automatically convert it to "int a;". I changed this, too - now the output visitors will use the short form only if the IsKeyword property is set. So code generators using NRefactory will output the long form when using the new NRefactory version unless they are modified to set IsKeyword=true.

Categories: Daniel
Saturday, December 06, 2008 6:49:41 PM (GMT Standard Time, UTC+00:00)  #    Comments [0]

 



#  Saturday, September 06, 2008

In revision 3506, SharpDevelop 3.0 got improved support for code analysis using FxCop 1.36.

There were some bugs fixed that were related to the suppress message command - it was working only with FxCop 1.35, but even there couldn't suppress messages for static constructors and explicitly implemented interface members.

Using this command inserts a SuppressMessageAttribute in the code:

A new feature is support for custom dictionaries for the FxCop spell checker. Instead of suppressing tons of spelling messages, you can simply add a new xml file to your project with content like this:

<?xml version="1.0"?>
<Dictionary>
  <Words>
    <Recognized>
     
<!-- add words specific to your application here -->
     
<Word>Uncollapse</Word>
    </Recognized>
    <Unrecognized>
     
<!-- Disable Lineup as a single word - LineUp is the spelling used in WPF -->
      
<Word>Lineup</Word>
    </Unrecognized>
    <Deprecated>
     
<!-- Use this section to deprecate terms -->
     
<Term PreferredAlternate="Best">Bestest</Term>
    </Deprecated>
  </Words>
  <Acronyms>
    <CasingExceptions>
     
<!-- Use this section to tell FxCop the correct casing of acronyms. -->
     
<Acronym>WiX</Acronym>
    </CasingExceptions>
 
</Acronyms>
</Dictionary>

And then set the file's build action to "CodeAnalysisDictionary" (this build action does not appear in the drop down, you'll have to type it in).

Categories: Daniel
Saturday, September 06, 2008 6:32:29 PM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Friday, September 05, 2008

More than one year ago, I added the XAML language binding to SharpDevelop 3.0, showing tooltips in .xaml files and enabling refactoring. ("XAML and WPF support in SharpDevelop 3.0")

Now I finally added the missing part: code completion.

You get completion when typing an element:

For attributes:

And for attribute values if the property expects an enum:

Categories: Daniel
Friday, September 05, 2008 12:04:00 AM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Thursday, September 04, 2008

In case anyone gets a wrong idea, take a close look at the title bar - it has the word "experimental" in it:

The reverse integration of the WPF branch is the first step in the direction of "more WPF" in SharpDevelop 4.0 (this screenshot shows the new WPF workbench and the new WPF start page).

So what does this mean for the not-yet released version 3.0? As 3.0 is the last version built entirely on top of Windows Forms, it will be a long-term stable release series - meaning there are plans for at least 3.1 and 3.2. We know a lot of people are using our workbench, our text editor and various other parts in their applications - and we are definitely going to be supporting you in the future!

Categories: Chris
Thursday, September 04, 2008 6:57:06 PM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Monday, September 01, 2008

Our Wiki has a guideline on joining the team which outlines the process of submitting code to the project. As part of this year's #develop developer days (#d^3) we decided on a change to the guideline:

It is now possible to contribute "any-size" patches (be it a bug fix or feature enhancement) when those code pieces (your changes) are licensed under the BSD license.

Why this change? We want to make it easier for the "accidential contributor" (ie someone who stumbled across a bug and dabbled with our code to fix it) to get her or his changes into our codebase without going through the "hassle" of having to sign & send the JCA. This should lower the barrier to contributing to our project.

If you want to work on a larger feature, we still want you to send us a JCA - the simple reason being in it's name: it is a joint copyright assignment, making you and the project owners to the copyright, allowing you and the project to work with the code in any way desired. For more details on "Why the JCA" please see the guideline.

Categories: Chris
Monday, September 01, 2008 6:12:32 PM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Friday, August 22, 2008

This addin integrates Microsoft StyleCop into SharpDevelop. StyleCop only supports C#, and this addin has been tested against StyleCop 4.3, earlier versions won't work.

Features

  • Line highlighting of the warnings found
  • Change StyleCop settings on a per-project basis, copying from a master file you can also configure
  • Run as part of the normal build process or on-demand from the project menu

So how do you run StyleCop? Simply from the context menu of the current C# project:

This will result in an error (given that you haven't installed StyleCop yet):

Therefore please download the latest version of StyleCop and install it. Note that you must install the MSBuild integration:

Once installed, you have to tell SharpDevelop where to find it. This is done in the Tools / Options dialog:

Click on "Find StyleCop path" and go to the MSBuild directory:

Now SharpDevelop knows how to find StyleCop, all you have to do is re-run the StyleCop inspection of your project. In my sample project this results in quite a few warnings:

As you might not go d'accord with the default style checks, you can manipulate the StyleCop settings right from your current C# project:

Those rules are documented in StyleCop.

Categories: Chris
Friday, August 22, 2008 8:03:13 AM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Wednesday, August 20, 2008

Because the question keeps coming up repeatedly in the forum, I want to repeat the most important pieces of advice from the last thread in this blog post. Firstly and most importantly:

If you use SharpDevelop 2.x, you must use TortoiseSVN 1.4.x.
If you use SharpDevelop 3.x, you must use TortoiseSVN 1.5.x.

So why is this important? Well, Subversion 1.5 does change the working copy format, therefore older clients cannot read the working copy anymore. And why is this important to SharpDevelop? Daniel continues to explain:

SharpDevelop uses its own copy of the Subversion library for marking files as added/removed/etc. This can upgrade the working copy to the 1.5 format.

However, SharpDevelop does not have it's own commit dialog - we simply start TortoiseSVN.

So there are two Subversion libraries used by SharpDevelop: the one we ship for local operations, and the one shipped with TortoiseSVN for commit etc. Because the Subversion 1.4 library cannot read working copies touched by the 1.5 library, you run into this kind of problem when either TortoiseSVN or SharpDevelop is too old.

To sum up: SharpDevelop 2.x ships with libraries that are compatible with Subversion 1.4 and requires TortoiseSVN 1.4 for UI. Whereas version 3.0 of SharpDevelop ships with (different) libraries that are compatible with Subversion 1.5 and requires TortoiseSVN 1.5 for UI.

So will there be an upgrade for SharpDevelop 2.x to support Subversion 1.5? This was a hotly debated issue, however, in the end it boiled down to the following question: do we want to ship two almost identical versions of SharpDevelop 2.2 that only differ in the version of the included Subversion library (because we would have to support both camps)? As that would create quite a bit of confusion, we decided to leave 2.2 as is and support Subversion 1.5 only in SharpDevelop 3.0.

Categories: Chris
Wednesday, August 20, 2008 8:01:00 PM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Tuesday, August 19, 2008

If you receive the following error message

but have TortoiseSVN installed, then you have run into the following snag: SharpDevelop 3.0 is explicity marked as 32 Bit application, thus it cannot use the x64 version of TortoiseSVN.

Solution: install TortoiseSVN 32 Bit. It can be used in parallel with the x64 version.

Categories: Chris
Tuesday, August 19, 2008 9:00:39 PM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



#  Saturday, August 16, 2008

Running SharpDevelop on USB thumb drives has been possible for a long time. What is new in version 3.0 though is that the settings that usually go into the user's profile can live directly on the memory stick - allowing you to take your settings with you at all times. Here is the procedure:

Download SharpDevelop 3.0 and perform a standard installation on Windows. By default the installation location (on an x64 machine) will be the following:

Simply copy the 3.0 directory to your memory stick, and then open the \bin directory there:

There, you have to open SharpDevelop.exe.config - and search for the appSettings section which by default looks like this:

 <appSettings>
  <!-- Use this configuration setting to store settings in a directory relative to the location
       of SharpDevelop.exe instead of the user's profile directory. -->
  <!-- <add key="settingsPath" value="..\Settings" /> -->
  
  <!-- Use this setting to specify a different path for the code completion cache.
        The cache contains information about referenced assemblies to speed up loading
        the information on future SharpDevelop starts. -->
  <!-- <add key="domPersistencePath" value="..\DomCache" /> -->
  
  <!-- Use this setting to disable the code completion cache. Code completion will still be
       available, but take longer to load and use more RAM. -->
  <!-- <add key="domPersistencePath" value="none" /> -->
 </appSettings>

The comments tell you what to do, basically uncomment settingsPath and domPersistencePath:

<add key="settingsPath" value="..\Settings" />
<add key="domPersistencePath" value="..\DomCache" />

Save the file and you, SharpDevelop and your settings are ready to go. Note that once started the two directories show up in the directory tree:

Categories: Chris
Saturday, August 16, 2008 4:18:14 PM (GMT Daylight Time, UTC+01:00)  #    Comments [0]

 



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